docs: def get_utc_date(entry):
      """Return datestamp converted to UTC"""
      if entry['numeric_date_stamp'] == '0':
          entry['numeric_date_stamp_utc'] = '0'
          return entry
  
      else:
          if '.' in entry['numeric_date_stamp']:
              t = datetime.strptime(entry['numeric_date_stamp'],
                      '%Y%m%d%H%M%S.%f')
          else:
              t = datetime.strptime(entry['numeric_date_stamp'],
                      '%Y%m%d%H%M%S')
          tdelta = timedelta(hours = int(entry['tzone'][1:3]),
                  minutes = int(entry['tzone'][3:5]))
  
          if entry['tzone'][0] == '-':
              ut = t + tdelta
          else:
              ut = t - tdelta
  
          entry['numeric_date_stamp_utc'] = ut.strftime('%Y%m%d%H%M%S.%f')
  
          return entry